# Magenta Therapeutics funding: rounds and investors > Magenta Therapeutics has raised $187M across 3 rounds since 2016. Investors include Atlas Venture, OrbiMed and Janus Henderson Investors. Source: https://millionrounds.com/company/magenta-therapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Magenta Therapeutics* 3 rounds we have observed, with the 12 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Biotech Healthcare Funding summary Updated 26 Oct 2026 **$187M** raised across 3 rounds since 2016, from 3 sources **$49M** Series A **$52M** Series C **$86M** Round - **Latest round:** Round, $86M May 2021 - **Step-up i:** 1.7× - **Investors:** 12 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2017 2018 2019 2020 2021 **$49M** Series A **$52M** Series C **$86M** Round - **First round:** Series A, $49M - **Biggest round:** $86M - **Usual gap between rounds:** 3.1 years ## The rounds - **May 2021** Round **$86M** *5 new* [OrbiMed](https://millionrounds.com/fund/orbimed) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [TCG](https://millionrounds.com/fund/tcg) [Casdin Capital](https://millionrounds.com/fund/casdin-capital) [TCG Crossover](https://millionrounds.com/fund/tcg-crossover) Source recorded - **Apr 2018** Series C **$52M** *5 new* [Access](https://millionrounds.com/fund/access-2) [Eventide](https://millionrounds.com/fund/eventide) [The Watermill Group](https://millionrounds.com/fund/watermill-group) Be the Match Casdin Capital/ EcoR1 Reported by FinSMEs SEC filing: $52M sold, first sale Apr 2018 - **Nov 2016** Series A **$49M** *2 new* [Atlas Venture](https://millionrounds.com/fund/atlas-venture) [Third Rock Ventures](https://millionrounds.com/fund/third-rock-ventures) Reported by FinSMEs SEC filing: $18M sold, first sale Nov 2016 ## Founders and team From the SEC filings it signed: 3 on the team. - **Jason Gardner** Executive Officer, Director i - **John Davis** Executive Officer i - **Zoran Zdraveski** Executive Officer i On the board, as filed i *Alexis Borisy* *Amy Ronneberg* *Blake Byers* *Bruce Booth* *David Scadden* *Jeffrey Albers* *Michael Bonney* *Thomas Daniel* ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2016 **Series C** 2018 **Round** 2021 [Atlas Venture](https://millionrounds.com/fund/atlas-venture) [OrbiMed](https://millionrounds.com/fund/orbimed) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [TCG](https://millionrounds.com/fund/tcg) [Casdin Capital](https://millionrounds.com/fund/casdin-capital) [Third Rock Ventures](https://millionrounds.com/fund/third-rock-ventures) [TCG Crossover](https://millionrounds.com/fund/tcg-crossover) [Access](https://millionrounds.com/fund/access-2) [Eventide](https://millionrounds.com/fund/eventide) [The Watermill Group](https://millionrounds.com/fund/watermill-group) ## Everyone who backed them [Atlas Venture](https://millionrounds.com/fund/atlas-venture) VC firm **1** round [OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) Private equity **1** round [TCG](https://millionrounds.com/fund/tcg) Private equity **1** round [Casdin Capital](https://millionrounds.com/fund/casdin-capital) VC firm **1** round [Third Rock Ventures](https://millionrounds.com/fund/third-rock-ventures) VC firm **1** round [TCG Crossover](https://millionrounds.com/fund/tcg-crossover) VC firm **1** round [Access](https://millionrounds.com/fund/access-2) Hedge fund **1** round [Eventide](https://millionrounds.com/fund/eventide) VC firm **1** round [The Watermill Group](https://millionrounds.com/fund/watermill-group) Private equity **1** round Be the Match no record of our own yet **1** round Casdin Capital/ EcoR1 no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=magenta-therapeutics). ## Quick answers about Magenta Therapeutics ### Who invested in Magenta Therapeutics? Magenta Therapeutics's investors include Atlas Venture, OrbiMed, Janus Henderson Investors, TCG and Casdin Capital, and 7 more on record. ### How much has Magenta Therapeutics raised? Magenta Therapeutics has raised $187M across 3 rounds since 2016. ### When did Magenta Therapeutics last raise? Magenta Therapeutics's most recent round was an Undisclosed round of $86M in May 2021. ### What was Magenta Therapeutics's biggest round? Its most recent round, $86M in May 2021, is also its largest on record. ### Who backed Magenta Therapeutics first? Magenta Therapeutics's first round on record, in Nov 2016, was backed by Atlas Venture and Third Rock Ventures. ### What stage is Magenta Therapeutics at? Magenta Therapeutics's latest named round is an Undisclosed round, in May 2021. ### Where is Magenta Therapeutics based? Magenta Therapeutics is based in the United States. ## Companies like Magenta Therapeutics In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app